The latest artist additions join a roster that already features headliners Florence and the Machine, Disclosure and Pharrell. Bridges will serve as the opening act for Pharrell’s Sept. 26 performance, and Bay is slated to open for Florence Welch on Sept. 28. Check out the entire schedule so far -- which also includes Take That, Little Mix and One Direction -- at the bottom of the page.

The London festival will kick off its ninth installment on Sept. 19 and run for 10 consecutive nights at the Roundhouse. Festival sets will be live-streamed on Apple Music. Formerly known as iTunes Festival, the annual event rebranded as Apple Music Festival earlier this summer in conjunction with the launch of Apple’s new streaming service back in June.